CORE PRACTICAL ONE Describe how the effect of caffeine on heart rate in Daphnia can be investigated practically‚ and discuss whether there are ethical issues in the use of invertebrates. Daphnia‚ the water flea‚ is a small freshwater crustacean which lacks physiological methods of maintaining a constant body temperature. This means that if the environmental temperature changes‚ its body temperature does so too and its metabolic rate will be expected to rise or fall accordingly. So the temperature
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AndrewGuerrero BIO 125 Lab Due November 14‚ 2012 Practical Exam 1. a. The symbionts (Paramecium) of the termite belong to the kingdom Protista b. Paramecium living in the intestines of termites breaks down the cellulose walls of wood fibers releasing proteins that are absorbed by the termites’ digestive system. Paramecium benefit by having an environment to thrive and they ingest the wood fibers for their own nutrition as well. 2. c. An important ecological effect
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Chemistry Lab Write-Up Title: Paper Chromatography of Powdered Beverage Mix Purpose/Objective: The purpose is to be able to use liquid chromatography to separate dyes in a powdered beverage mix‚ calculate the Rf values for each dye‚ and rank the polarity of each dye present. Hypothesis: If we are to use the liquid chromatography to investigate the different dyes‚ then I think the different dyes will come up having different polarities and Rf values. Procedure/Method: Draw a line across
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relieved by rest. However‚ there was no history of orthopnea‚ paroxysmal nocturnal dyspnea‚ trauma‚ surgery done before. After that‚ during following up for his diabetes mellitus‚ he told this symptom to the doctor‚ and then he was referred to hospital Serdang. After series investigation done‚ he was diagnosed stable angina. He was having follow up at Hospital Serdang every 3 months for his stable angina and type 2 diabetes mellitus. He had type 2 diabetes mellitus since 10 years ago‚ that diagnosed
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short time (a few minutes) the root tip will feel soft when touched with a mounted needle (Do not let it dry out completely). * Heat it in order to speed up the process of the cell wall breaking down‚ and also for the stain to spread quicker. The stain will bind with the DNA‚ and it will become more visible. 4. Now‚ using forceps or the mounted needle‚ pick up the softened root tip and transfer it in to a
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Jordan Alyce Norris November 7‚ 2014 Biology 111-J3 Predicting Patterns of Inheritance Using Monohybrid and Dihybrid Crosses Introduction This experiment was on Mendelian Inheritance; which is the inheritance of biological features that are based on the rules proposed my Mendel. The purpose of this experiment was to show how to predict patterns of inheritance by using Punnett Squares to perform monohybrid and dihybrid crosses. Two crosses were performed. Cross one consisted of heterozygous alleles
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ABDOMEN WRITE-UP Examiner : Kelley Goff‚ RN Patient Initials : KJ Age: 50 Gender: Female Reason for visit: recent severe heartburn I. Health History 50 year old female in good health. No history of chronic illness. Smoker 1ppd x 24 years. Total hysterectomy at age 45. No other surgeries. Currently on no prescribed medications. No history of heart problems‚ lung problems‚ no urinary or bowel issues. No known kidney disease or liver disease. Family history of stroke (mother)
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Transpiration Lab Write-up. Introduction Transpiration is the evaporation of water from plants. It’s not simply a hazard of plant life but it’s the engine that pulls water from the roots to cool the leaf and supply photosynthesis. The concentration of water vapor in the atmosphere is lower than that in the leaf. Because of this difference‚ water vapor diffuses from the spaces of the leaf‚ through the stomata in the epidermis. Stomata are in the lower epidermis; the lower surface receives less
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March 18‚ 2013 Spirometry Lab Write-Up A. Subject History The subject is a twenty eight year old female. She stands five feet eight inches tall and weighs approximately one hundred fifty pounds. The subject is a non-smoker and although she has never had any respiratory issues‚ asthma does tend to run in her family on the maternal side. The subject does however admit to feeling out of breathe easily when doing intense exercise for an extended period of time. B. Effect of CO2 on Breathing
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Ashley Contreras English 910 Quan Chen 12/11/2012 Persuasive Essay Animal abuse is when someone inflicts pain or harm upon an animal such as not giving them their basic needs (food and water) to beating them. In between 5 and 7 million animal companions enter an animal shelter nationwide‚ every year (www.aspca.org)‚ and within 50 miles of Hayward‚ CA‚ there are 170 animal cruelty cases reported (www.pet-abuse.com). Imagine what these innocent beings that cannot speak out to let the human know
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